Radeon HD 8970M and GeForce GTX 580M - video card comparison
Passmark - benchmark score Radeon HD 8970M vs GeForce GTX 580M
Radeon HD 8970M
3992
GeForce GTX 580M
2136
Radeon HD 8970M
GeForce GTX 580M
Architecture
GCN (2011−2017)
Fermi (2010−2014)
GPU code name
Neptune
N12E-GTX2
Market segment
Laptop
Laptop
Release date
May 2013
June 2011
Bus support
-
PCI-E 2.0
Interface
PCIe 3.0 x16
MXM-B (3.0)
Supplementary power connectors
-
None
SLI options
-
+
Boost clock speed
900 MHz
-
Core clock speed
850 MHz
620 MHz
CUDA cores
-
384
Floating-point performance
2,304 gflops
952.3 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
2,800 million
1,950 million
Pipelines / CUDA cores
1280
384
Power consumption (TDP)
100 Watt
100 Watt
Texture fill rate
72.00
39.7 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
2 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
4800 MHz
1500 MHz
Memory bandwidth
153.6 GB/s
96.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_1)
12 API
CUDA
-
+
OpenCL
1.2
1.1
OpenGL
4.6
4.5
Shader Model
5.1
5.1
Vulkan
1.2.131
N/A
3D Blu-Ray
-
+
3D Gaming
-
+
Optimus
-
+